TLV70030DDCT

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TLV70030DDCT series of voltage regulators are part of Texas Instruments\' line up of high-performance, low-power linear Voltage Regulators. It integrates all power conversion functions, as well as temperature, current and voltage protection, into a single chip.

The TLV70030DDCT is a low quiescent current, low dropout linear regulator that offers an adjustable output voltage of 0.6V to 5.5V. It has a minimum operating current of 300µA and a maximum output current is 700mA. The device operates over a range of temperatures from -40°C to 125°C and includes on-chip thermal shutdown, as well as current limit and UVLO protection.

The TLV70030DDCT features an integrated charge pump. This simplifies the layout and decreases the number of external components and makes the regulators suitable for space-constrained applications. It also features a DRV pin to provide fast rise time and other features to further reduce noise.

The TLV70030DDCT is well suited for a variety of applications, including automotive, industrial, and consumer electronics. It can be used in applications such as power supplies, white goods, LCD displays and TV systems, automotive infotainment systems, AV receivers, heaters, and more. Its low quiescent current and high efficiency make it suitable for low power and battery-powered applications as well.

In terms of working principle, the TLV70030DDCT utilizes an open loop linear regulator architecture to provide voltage regulation. The output voltage is set with a resistor divider over the ADJ pin. The device then monitors the output voltage and adjusts the current sourced to the output terminal to maintain the desired output voltage. The device operates with a dropkout voltage of 250mV, making it suitable for applications with low input-output voltage differential.

In addition to its voltage regulation function, the TLV70030DDCT also features integrated fault detection circuitry, including temperature protection and current limit. The device also features an internal power switch capable of switching up to 35V and 700mA, making it suitable for applications where a high power switch is needed. The device can be used in parallel or in single supply format.

Overall, the TLV70030DDCT is a low quiescent current, low dropout linear regulator with adjustable output voltage of 0.6V to 5.5V and high output current of 700mA. It offers a wide range of integrated protection features and an on-chip charge pump, making it suitable for a variety of applications, including automotive, industrial, and consumer electronics.

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